<script setup lang="ts">
import { ref } from 'vue'
import { mobileRules, passwordRules, codeRules } from '@/utils/rules'
import { showSuccessToast, showToast } from 'vant'
import 'vant/es/toast/style'
import { loginByPassword, loginByMobile } from '@/services/user'
import { useUserStore } from '@/stores'
import { useRoute, useRouter } from 'vue-router'

import { useSendMobileCode } from '@/composable'

// 表单数据
const mobile = ref('13230000098')
const password = ref('abc12345')
const code = ref('')
const agree = ref(false)
// 控制输入框dpassword与text属性的切换
const isShow = ref(false)
// 控制密码登录和短信登录的切换
const isPass = ref(true)

const store = useUserStore()
const router = useRouter()
const route = useRoute()
// form表单的@submit 是提交表单且验证通过后触发onSubmit
const onSubmit = async () => {
  // 勾选协议校验
  if (!agree.value) {
    showToast('请勾选我已同意')
    return
  }
  // 验证完毕，进行登录(合并密码登录和短信登录)
  const res = isPass.value
    ? await loginByPassword(mobile.value, password.value)
    : await loginByMobile(mobile.value, code.value)
  store.setUser(res.data)
  showSuccessToast('登录成功')
  // 如果有回跳地址就进行回跳，没有跳转到个人中心
  router.push((route.query.returnUrl as string) || '/user')
}

// 发送短信验证码
const { onSend, time, form } = useSendMobileCode(mobile)

// onMounted(() => {
//   // 组件渲染完毕，使用QC生成QQ登录按钮，目的得到跳转链接
//   QC.Login({
//     btnId: 'qq'
//   })
// })
// http%3A%2F%2Fconsult-patients.itheima.net%2Flogin%2Fcallback
const qqUrl =
  'https://graph.qq.com/oauth2.0/authorize?client_id=102015968&response_type=token&scope=all&redirect_uri=' +
  encodeURIComponent(import.meta.env.VITE_APP_CALLBACK + '/login/callback')
</script>

<template>
  <div class="login-page">
    <cp-nav-bar
      right-text="注册"
      @click-right="$router.push('/register')"
    ></cp-nav-bar>
    <!-- 头部 -->
    <div class="login-head">
      <h3>{{ isPass ? '密码登录' : '短信验证码登录' }}</h3>
      <a href="javascript:;" @click="isPass = !isPass">
        <span>{{ isPass ? '短信验证码登录' : '密码登录' }}</span>
        <van-icon name="arrow"></van-icon>
      </a>
    </div>
    <!-- 表单 -->
    <van-form autocomplete="off" @submit="onSubmit" ref="form">
      <van-field
        name="mobile"
        v-model="mobile"
        placeholder="请输入手机号"
        type="tel"
        :rules="mobileRules"
      ></van-field>
      <van-field
        v-if="isPass"
        v-model="password"
        placeholder="请输入密码"
        :type="isShow ? 'text' : 'password'"
        :rules="passwordRules"
      >
        <template #right-icon>
          <cp-icon
            @click="isShow = !isShow"
            :name="`login-eye-${isShow ? 'on' : 'off'}`"
          ></cp-icon>
        </template>
      </van-field>
      <van-field
        v-else
        :rules="codeRules"
        v-model="code"
        placeholder="请输入短信验证码"
      >
        <template #button>
          <span
            class="btn-send"
            :class="{ active: time > 0 }"
            @click="onSend"
            >{{ time > 0 ? `${time}s后再次发送` : '发送验证码' }}</span
          >
        </template>
      </van-field>
      <div class="cp-cell">
        <van-checkbox v-model="agree">
          <span>我已同意</span>
          <a href="javascript:;">用户协议</a>
          <span>及</span>
          <a href="javascript:;">隐私条款</a>
        </van-checkbox>
      </div>
      <div class="cp-cell">
        <van-button native-type="submit" block round type="primary">
          登 录
        </van-button>
      </div>
      <div class="cp-cell">
        <a href="javascript:;">忘记密码？</a>
      </div>
    </van-form>

    <!-- 底部 -->
    <div class="login-other">
      <van-divider>第三方登录</van-divider>
      <!-- <div class="icon" id="qq"></div> -->
      <a
        @click="store.setReturnUrl($route.query.returnUrl as string)"
        class="icon"
        :href="qqUrl"
      >
        <img src="@/assets/qq.svg" alt="" />
      </a>
    </div>
  </div>
</template>

<style lang="scss" scoped>
@import '@/styles/login.scss';
</style>

<!-- 
提问？
为什么可以直接使用组件，不导入不注册？

使用了 unplugin-vue-components 默认 src/compoenents 自动导入注册
 -->
